133764920

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{2063}}^1$

素因数の和:3695

約数の個数: 32

約数和(自身を含む): 301302720

約数和(自身を除く): 167537800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 2063, 3242, 4126, 6484, 8105, 8252, 10315, 12968, 16210, 16504, 20630, 32420, 41260, 64840, 82520, 3344123, 6688246, 13376492, 16720615, 26752984, 33441230, 66882460, 133764920]

約数ペア:

[(1, 133764920), (2, 66882460), (4, 33441230), (5, 26752984), (8, 16720615), (10, 13376492), (20, 6688246), (40, 3344123), (1621, 82520), (2063, 64840), (3242, 41260), (4126, 32420), (6484, 20630), (8105, 16504), (8252, 16210), (10315, 12968)]